Singapore, one of the most densely populated islands in the world, boasts an excellent modern light-rail network. The system is run by Singapore Mass Rapid Transit (MRT), a company incorporated in August 1987, serving the city's major high-density travel corridors.THE PROJECT.Until late 1997, MRT was a basic network of four lines, giving a total route mileage of 83km (50 miles).he system is run by Singapore Mass Rapid Transit (MRT), a company incorporated in August 1987, serving the city's major high-density travel corridors.
The Sikora buffer method was designed to reproduce the same soil-buffer pH obtained with the SMP buffer method. Therefore, the Sikora buffer method is suited for the same type of soils intended for the SMP buffer method which includes silt loam that can contain appreciable extractable Al.
Acid-base buffers confer resistance to a change in the pH of a solution when hydrogen ions (protons) or hydroxide ions are added or removed. An acid-base buffer typically consists of a weak acid, and its conjugate base (salt) (see Equations 2-4 in the blue box, below).itration Curve for the Bicarbonate-Buffer System. It is possible to plot a titration curve for this buffer system, just as you did for your solution in the acid-base-equilibria experiment. In this plot, the vertical axis shows the pH of the buffered solution (in this case, the blood).